Please follow the instructions given here:

Create your wikispaces account
join this wiki http://ibtokwithrajashree.wikispaces.com
Go to the Wishwall and introduce yourself.
Go to pages and folders , to the right of this wiki,and create a new page
The name of the page should be your complete name
Put the tag as CI students
Create your own e- portfolio
Refer these links as they might be helpful for making your own portfolio

info about e-portfolio on wiki : http://eportfolios.wikispaces.com/how-to
all info about wikis : http://webtools4u2use.wikispaces.com/Wikis

use your picture and let people identify with you
Be creative
Insert links to research tools that you maintain
Insert the HTML code for scoop and blogs/or any web portals
Wherever possible insert snapshots of your work
Insert finally at the end a sharing button for twitter,facebook,google+
Visit my e -portfolio to have some idea...Rajashree Basu